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Finding the Fourth Proportional to 484.06, 725.49 and 252.91

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Solution

The fourth proportional to 484.06, 725.49 and 252.91 is: 379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.06 : 725.49 = 252.91 : x
  2. Step 2: Convert to fraction form
    484.06/725.49 = 252.91/x
  3. Step 3: Cross multiply
    484.06x = 725.49 × 252.91
  4. Step 4: Simplify right side
    484.06x = 183,483.68
  5. Step 5: Solve for x
    x = 183,483.68/484.06
  6. Step 6: Final answer
    x = 379.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.